Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Ancient Maya City and Protected Tropical Forests of Calakmul, Campeche' has mentioned 'Trade route' in the following places:
Occurrence Sentence Text Source
This strongly suggests that Calakmul sponsored Quiriguxc3xa1's rebellion in order to weaken Tikal and to gain access to the rich trade route of the Motagua Valley.